常用的标准薄膜电容器术语

常用的标准薄膜电容器术语

1

、电容器元件（或元件）

/Capacitor element

（

or element

）

由被电介质隔开的两极构成的部件。

A device consisting essentially of two electrodes separated by a

dielectric. < /p>

2

、电容器单元（或单元）

/Capac itor unit

（

or unit

）

由一个或多个电容器元件 组装于同一外壳中并有引出端子的组装体。

Assembly of one or more capacitor elements in the same container with

terminals brought out.

3

、电容器组

capacitor bank

电气上连接在一起的两个或多个电容器单元的组装体。

Number of capacitor units connected so as to act together.

4

、电容器

capacitor

在不需要表明其是元件、单元或电容器组时的一个通用名词。

General term used when

it is not

necessary to state

whether reference is

made to an element, a unit or capacitor bank.

5

、电容器设备

capacitor equipment

电容器单元和用来连接到网络上的附件的组合体。

Assembly

of

capacitor

units

and

their

accessories

intended

for

connection

in power electronic equipment.

6

、电力电子电容器

power electronic capacitor

用于电力电子设 备中并能在非正弦波电流和电压下连续运行的电力电容器。

Power capacitor intended to be used in power electronic equipment and

capable of operating continuously under sinusoidal and non-sinusoidal

current and voltage.

7

、金属箔电容器（非自愈型）

metal-foil capacitor

（

non self-healing

）

电极通 常是由被电介质隔开的金属箔组成的电容器。

在电介质被击穿后，

电容器

不能自行恢复绝缘性能。

Capacitor

in

which

the

electrodes

usually

consist

of

metal

foils

separated

by a dielectric. In the event of a breakdown of the dielectric, the

capacitor dose not restore itself.

8

、

自愈式金属化电介质电容器

self-healing

metalized

dielectric

capacitor

电极为金属化层 （通常以蒸发形成）的电容器。在电介质被击穿后，电容器能自

行恢复绝缘性能。

Capacitor

of

which

at

least

one

electrode

consists

of

a

metallic

deposit

on

the

dielectric.

In

the

event

of

local

breakdown

of

the

dielectric,

the

electric properties of the capacitor are rapidly and essentially

self- restored.

9

、交流电容器

A.C. capacitor

主要为在交流电压下运行而设计的电容器。

Capacitor essentially designed for operation with alternating voltage.

注：< /p>

交流电容器可用于高达额定值的直流电压下，

但需经购买方与电容 器制造厂

协商确定。

NOTE:AC capacitors may be used with e up to the rated voltage

only when authorized by the capacitor manufacturer.

10

、直流电容器

D.C. capacitor

主要为在直流电压下运行而设计的电容器。

Capacitor essentially designed for operation with direct voltage.

注：直流电容器可 用于交流电压下，但需经购买方与电容器制造厂协商确定。

NOTE:DC capacitors may be used with a specified e only where

authorized by the capacitor manufacturer.

11

、模型电容器

model capacitor

模拟完整单元或元件的，

在电气试验中，

电、

热和机械状况的严酷度均不降低的

较小单元。

Unit

which

simulates

a

complete

unit

or

element

in

an

electrical

test, without reducing the severity of the electrical, thermal or

mechanical conditions.

注： 应考虑各应力的总和，例如温度、机械状况和电应力的总和。

Note : The combined sum of stresses should always be considered, for

instance the sum of temperature and mechanical conditions as well as

electrical stresses

.

12

、内部（元件）熔丝

inter nal

（

element

）

一种组装在电容器内部的，

件。

< br>

Fuse connected inside a capacitor unit, in series with an element or a

group of elements.

13

、过压力隔离器

overpressure disconnector

一种为在内部压力异常增大时开断电流通路而设计的隔离器件。

Disconnecting device inside a capacitor, designed to interrupt the

current path in case of abnormal increase of internal overpressure.

14

、内部放电器件

internal discharge device

一种 组装在电容器内部并与单元端子连接的，

当电容器从电源脱开之后能将剩余

电压有效地降低到零的器件。

A device which may be incorporated in a capacitor, capable of reducing

the

voltage

between

the

terminals

practically

to

zero,

within

a

given

time,

after the capacitor has been disconnected from a network.

15

< br>、额定交流电压（

U

NAC

）< /p>

rated a.c. voltage(U

NAC

)

设计电容器时所采用的反复型波形的任一极性的最高运行峰值周期电压。

Maximum

operating

peak

recurrent

voltage

of

either

polarity

of

a

reversing

type waveform for which the capacitor has been designed.

注：

Note

1

波形可能有多种形状，其例见

GB/T 17702.1-19 99

附录

A

。

The

waveform

can

have

many

es

are

given

in

GB/T

17702.1-1999

Annex A.

2

波形的平均值可能是正值或负值。

The mean value of the waveform may be positive or negative.

3

重要的是要注意到额定交流电压不是均方根值。

It is important to note that the e is not an r.m.s. value.

16

、额定直流 电压（

U

NDC

）

rated d.c. voltage

（

U